As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON FLOORBEAM +Y1292 AT LEVEL OF FR16 AT FWD GALLEY; REF NRC 2018-159157 W/O 909857. REPLACED FLOORBEAM +Y1292 AT LEVEL OF FR16 AT FWD GALLEY AREA IAW SRM 51-72-11 AND DRAWING D53118212